FS#67402 - [blender] Segfault when opening VSE

Attached to Project: Community Packages
Opened by Abel Binoop (ProgrammAbel) - Sunday, 26 July 2020, 14:12 GMT
Last edited by Sven-Hendrik Haase (Svenstaro) - Monday, 27 July 2020, 00:56 GMT
Task Type Bug Report
Category Packages
Status Closed
Assigned To Sven-Hendrik Haase (Svenstaro)
Filipe Laíns (FFY00)
Architecture x86_64
Severity High
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 2
Private No

Details

Description:
Blender crashes when opening the Video Sequence Editor. I have noticed this crash since 20/07/2020, but it is very possible that it has had this problem before that. It was working fine on Blender 2.82, but when downgrading to that version I still encounter the error. Using the prebuilt binary downloaded from the official website, I do not encounter the problem, leading me to believe it might have something to do with a dependency. Blender works fine in all other aspects of the program (3D editing, textures, etc.), it's only in the VSE.

Additional info:
* package version(s)
2.83.3

* config and/or log files etc.
Output of `blender --debug`:

```
Switching to fully guarded memory allocator.
Blender 2.83.3
Build: 2020-07-22 10:36:11 Linux Release
argv[0] = blender
argv[1] = --debug
Read prefs: /home/abelb/.config/blender/2.83/config/userpref.blend
read file
Version 280 sub 39 date unknown hash unknown
read file /usr/share/blender/2.83/scripts/startup/bl_app_templates_system/Video_Editing/startup.blend
Version 280 sub 39 date unknown hash unknown
Writing: /tmp/blender.crash.txt
Segmentation fault (core dumped)
```

`blender.crash.txt` and stack trace attached.

* link to upstream bug report, if any
N/A

Steps to reproduce:
1. Open Blender
2. Open "Video Editing" template
3. Watch Blender crash
   stacktrace.txt (1.8 KiB)
   blender.crash.txt (0.3 KiB)
This task depends upon

Closed by  Sven-Hendrik Haase (Svenstaro)
Monday, 27 July 2020, 00:56 GMT
Reason for closing:  Fixed
Comment by Sven-Hendrik Haase (Svenstaro) - Monday, 27 July 2020, 00:30 GMT
Can reproduce. Welp, this is bad because there's not much to go on. Probably our ffmpeg is a bit too new for blender. Weirdly enough, blender works just fine when built from git master. I'll see whether I can isolate the fix.

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